I setup a new Mac Pro and it seems to be having constant problems. Specs - Model Current 2013 Mac Pro - 8 Core Xeon - 64GB RAM - 1TB SSD - AMD Fire Pro D700 - Mac OS X High Sierra Problems - Monitors give black screen when woken from sleep. Computer is being used as a media server and remote access so it is always turned on. The screens are just set to turn off, nothing else. No screen saver. When woken the monitors turn on but stay black. If I try to login remotely the remote software just stalls and won't show a desktop. - When screensaver was enabled. It would just turn on and lock the computer up in the middle of using it. - Computer locks up frequently and gives a spinning beachball. - Date and time is even screwed up. Setup (This computer has been setup and in use for less than a week) - Clean install of Mac OS X High Sierra via USB using APFS Journaled file system - Migration assistant was not used - Files synced via iCloud (pictures), Google Drive and Dropbox - Software installed manually The old Mac Pro was having problems. So, to prevent any carry over I did not use Migration Assistant. Instead I opted to install all software manually and add files via sync from cloud services. This new Mac Pro is supposed to be much faster but seems much worse. What I've tried. - SMC Reset - PRAM Reset - Disabling screensaver - Activity Monitor (RAM usage green, no CPU or disk activity spikes) Software used - iCloud (every option checked) - Google Backup and Sync (just syncing Google drive no other folders) - Dropbox (has symlinks to desktop and music) - Sonos - Backblaze - Safari - MS Office 365 - Google Chrome - Firefox - iTunes - Spotify - Elgato Video Capture - Join.me - Teamviewer - Photos - Wunderlist - Brother Control Center - Filevault Other Hardware - Apple Bluetooth Keyboard - Apple Magic Trackpad 2 - El Gato Video capture USB - Anker USB 3.0 Hub - Harmon Kardon iSub - Ethernet - Triple Acer 2560x1440 monitors via Thunderbolt 2 to Displayport cables I'm looking for ideas. Could it be a software conflict, hardware issue? It makes no sense. It is a clean OS X install and clean software install. Just basic settings changes and software logged into their basic accounts. Its not as if I was messing with /Library or /System. I've used the High Sierra install USB on a 2009 iMac, 2011 MacBook Pro and 2017 MacBook Pro. All clean installs. They are all running fine. Although they aren't running all that third party software and hardware. The old Mac Pro (2008) ran all this software. It was just getting slow and would lose Ethernet connections out of nowhere. Forcing a switch to wireless. Even though the switch and the rest of the network was fine.